How to Audit Utility Bills and Find the Fees You Can Cut

Michael Chen

Michael Chen writes about personal finance fundamentals. Bay Area-based · finance enthusiast for 15 years.

Visual representation of the voice · not a photographic portrait

Quick answer: Gather 12 months of statements for each utility and check four things: your rate or plan, every line-item fee, your usage compared with the same month last year, and any expired promotion. Then call each provider with your notes and ask about removing fees, current offers and assistance programs.↗ Share on X

To audit your utility bills, pull the last 12 months of statements for electricity, gas, water, internet, and phone, then check four things on each one: the rate or plan you are on, every line-item fee, your usage compared with the same month last year, and any promotional discount that has expired. Most hidden savings come from expired promos, add-on fees you never asked for, rental equipment you no longer need, and plans that do not match how you actually use the service. Set aside about two hours for the first audit and 15 minutes a month after that.

Below is a step-by-step process you can follow with a pen, a highlighter, and your online accounts.

What do you need before you start?

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Gather everything in one place before you look at a single number. Jumping between bills is how people give up halfway.

• 12 months of bills for each utility. Most companies let you download PDFs from your online account. If you only get paper bills, call and ask for copies or a usage history.
• Your account numbers and the login for each provider's website or app.
• A simple sheet (paper or a spreadsheet) with one row per bill and columns for month, total, usage, and fees.
• Your bank or card statements, so you can catch any utility charge that is paid automatically and never gets looked at.

Why 12 months? Because utility costs swing with the seasons. Comparing July with January tells you nothing. Comparing this July with last July tells you a lot.

Which bills should you audit first?

Start where the money is. Here is a simple order that works for most households:

If you only have time for one, do internet and phone first. Those two tend to have the most charges you can remove with a single call.

Step-by-step: how to audit each bill

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Work through one bill at a time. Do not move to the next until you have finished all steps for the current one.

1. Find the total for each of the last 12 months. Write them in a row. Look for any month that jumped more than you would expect.

2. Find your usage. For electricity it is kilowatt-hours (kWh), the unit that measures how much power you used. For gas it is therms or CCF. For water it is gallons or CCF. Write usage next to each total.

3. Divide the total by the usage. This gives you a rough cost per unit. If the cost per unit went up while your usage stayed the same, your rate changed. That is worth a phone call.

4. List every line item. Read the bill top to bottom. Highlight anything you do not understand or did not ask for.

5. Sort the highlighted items into three groups: taxes and government fees (usually not removable), service fees (sometimes removable), and add-ons (often removable).

6. Check for expired promotions. Look for words like "promotional credit" or "discount" that appear in older bills but not in recent ones.

7. Compare with last year's same month. If usage rose and nothing changed in your home, something may be wrong, such as a leak or an appliance that is failing.

8. Write down one action per bill. Even if the action is "nothing to change," write it. That way you know the bill was checked.

What hidden charges should you look for?

These are the items that most often slip through. Check each bill against this list.

• Equipment rental. Many internet providers charge a monthly fee for the modem or router. Buying your own compatible device can pay for itself within a year or two. Check your provider's list of approved models before you buy.
• Paper bill fees. Some companies charge a small fee for mailing a paper statement. Switching to e-billing removes it.
• Late fees. If you see these more than once, set up autopay or a calendar reminder a few days before the due date.
• Insurance or protection plans. Phone companies and some utilities sell "line protection" or device insurance. Ask yourself if you would actually use it, and whether your homeowner's or renter's insurance already covers it.
• Unused services. A landline you forgot about, a TV package nobody watches, a streaming add-on bundled into internet.
• Duplicate charges. Look at your bank statement for two payments to the same provider in one month.
• Estimated readings. If the bill says "estimated" instead of "actual," the company guessed your usage. If estimates run high for several months, ask for an actual reading.

How do you know if you are on the wrong plan?

Utilities and phone companies often have several plans, and the one you signed up for years ago may not fit your life now.

Electricity. Some areas offer time-of-use plans, where power costs less at night and more in the late afternoon. If you run the dishwasher, laundry, and dryer at night, this kind of plan can lower your bill. If you are home all day with the AC running, it may cost you more. Call your utility or check its website for a plan comparison tool that uses your real usage. In some states you can also choose a different electricity supplier. Read the contract carefully before switching: watch for variable rates that rise after a few months and early cancellation fees.

Internet. Check what speed you pay for, then run a free speed test at home. If you pay for a very fast plan but your household mostly streams video and browses, a slower tier may be enough. If you work from home and have several people on video calls at once, keep the speed you need.

Cell phone. Look at how much data each line actually used each month for the past year. If no one comes close to the limit, a smaller plan or a prepaid carrier may work. If someone goes over every month, a larger plan may cost less than overage charges.

How do you ask the company to lower your bill?

Once you have your notes, call the provider. Have your account number and your list of findings ready.

1. Be specific. Say, "My bill went from X to Y after my promotion ended in March. What current offers can you apply to my account?"

2. Ask about each fee by name. "Can you remove the equipment rental fee if I use my own modem?"

3. Ask about lower-income or hardship programs if they apply to you. Many utilities have discounts or payment plans for seniors, people with disabilities, or households under a certain income. You usually have to ask; they are rarely applied on their own.

4. Ask for retention offers. If the first answer is no, it is fair to say you are comparing other providers and ask if there is a department that handles that.

5. Get it in writing. Ask for a confirmation email or note the date, the name of the person, and what they agreed to.

6. Check the next bill. Make sure the change actually shows up.

Stay polite. The person on the phone did not set the prices, and they are more likely to help someone who is calm and organized.

What about cutting usage itself?

Fees are only part of the story. Small changes in how you use energy and water also add up over a year:

• Set the water heater to around 120°F if it is higher. Many come from the factory set hotter than most homes need. If anyone in the household has health concerns about water temperature, check with the manufacturer or a plumber first.
• Unplug or use a power strip for devices that stay on all the time, like game consoles and old TVs.
• Check toilets for silent leaks: put a few drops of food coloring in the tank and wait 15 minutes without flushing. If color shows up in the bowl, the flapper is leaking.
• Replace air filters in heating and cooling systems on the schedule the manufacturer recommends.
• Ask your utility about a free or low-cost home energy check. Many offer one.

When should you get help?

If you find a charge you cannot explain and the company will not fix it, you can file a complaint with your state's public utility commission (for electricity, gas, and water) or the Federal Communications Commission (for phone and internet). If you are behind on utility bills and worried about a shutoff, contact the company right away and ask about payment plans, and look into local assistance programs such as LIHEAP, the federal program that helps with heating and cooling costs. A nonprofit credit counselor can also help you build a plan if utility bills are part of a larger money problem.

Your next step

Tonight, log in to your internet provider's account and download your last 12 bills. Compare the oldest one with the newest one, line by line. If the total went up, find the line that changed and write it down. That one comparison takes about 15 minutes, and it gives you a specific question to ask when you call tomorrow.

FAQ

Educational content, not personalized financial advice. Sources cited where applicable.